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Finding the Fourth Proportional to 8,034.40, 12,053.40 and 3,103.60

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Solution

The fourth proportional to 8,034.40, 12,053.40 and 3,103.60 is: 4,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,034.40 : 12,053.40 = 3,103.60 : x
  2. Step 2: Convert to fraction form
    8,034.40/12,053.40 = 3,103.60/x
  3. Step 3: Cross multiply
    8,034.40x = 12,053.40 × 3,103.60
  4. Step 4: Simplify right side
    8,034.40x = 37,408,932.24
  5. Step 5: Solve for x
    x = 37,408,932.24/8,034.40
  6. Step 6: Final answer
    x = 4,656.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.